/* * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include #include #include "internal/refcount.h" /* * Don't free up md_ctx->pctx in EVP_MD_CTX_reset, use the reserved flag * values in evp.h */ #define EVP_MD_CTX_FLAG_KEEP_PKEY_CTX 0x0400 struct evp_pkey_ctx_st { /* Actual operation */ int operation; union { struct { EVP_KEYEXCH *exchange; void *exchprovctx; } kex; struct { EVP_SIGNATURE *signature; void *sigprovctx; } sig; } op; /* Legacy fields below */ /* Method associated with this operation */ const EVP_PKEY_METHOD *pmeth; /* Engine that implements this method or NULL if builtin */ ENGINE *engine; /* Key: may be NULL */ EVP_PKEY *pkey; /* Peer key for key agreement, may be NULL */ EVP_PKEY *peerkey; /* Algorithm specific data */ void *data; /* Application specific data */ void *app_data; /* Keygen callback */ EVP_PKEY_gen_cb *pkey_gencb; /* implementation specific keygen data */ int *keygen_info; int keygen_info_count; } /* EVP_PKEY_CTX */ ; #define EVP_PKEY_FLAG_DYNAMIC 1 struct evp_pkey_method_st { int pkey_id; int flags; int (*init) (EVP_PKEY_CTX *ctx); int (*copy) (EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src); void (*cleanup) (EVP_PKEY_CTX *ctx); int (*paramgen_init) (EVP_PKEY_CTX *ctx); int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); int (*keygen_init) (EVP_PKEY_CTX *ctx); int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); int (*sign_init) (EVP_PKEY_CTX *ctx); int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, const unsigned char *tbs, size_t tbslen); int (*verify_init) (EVP_PKEY_CTX *ctx); int (*verify) (EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen, const unsigned char *tbs, size_t tbslen); int (*verify_recover_init) (EVP_PKEY_CTX *ctx); int (*verify_recover) (EVP_PKEY_CTX *ctx, unsigned char *rout, size_t *routlen, const unsigned char *sig, size_t siglen); int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, EVP_MD_CTX *mctx); int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen, EVP_MD_CTX *mctx); int (*encrypt_init) (EVP_PKEY_CTX *ctx); int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char *in, size_t inlen); int (*decrypt_init) (EVP_PKEY_CTX *ctx); int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char *in, size_t inlen); int (*derive_init) (EVP_PKEY_CTX *ctx); int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2); int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value); int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen, const unsigned char *tbs, size_t tbslen); int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig, size_t siglen, const unsigned char *tbs, size_t tbslen); int (*check) (EVP_PKEY *pkey); int (*public_check) (EVP_PKEY *pkey); int (*param_check) (EVP_PKEY *pkey); int (*digest_custom) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx); } /* EVP_PKEY_METHOD */ ; DEFINE_STACK_OF_CONST(EVP_PKEY_METHOD) void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); extern const EVP_PKEY_METHOD cmac_pkey_meth; extern const EVP_PKEY_METHOD dh_pkey_meth; extern const EVP_PKEY_METHOD dhx_pkey_meth; extern const EVP_PKEY_METHOD dsa_pkey_meth; extern const EVP_PKEY_METHOD ec_pkey_meth; extern const EVP_PKEY_METHOD sm2_pkey_meth; extern const EVP_PKEY_METHOD ecx25519_pkey_meth; extern const EVP_PKEY_METHOD ecx448_pkey_meth; extern const EVP_PKEY_METHOD ed25519_pkey_meth; extern const EVP_PKEY_METHOD ed448_pkey_meth; extern const EVP_PKEY_METHOD hmac_pkey_meth; extern const EVP_PKEY_METHOD rsa_pkey_meth; extern const EVP_PKEY_METHOD rsa_pss_pkey_meth; extern const EVP_PKEY_METHOD scrypt_pkey_meth; extern const EVP_PKEY_METHOD tls1_prf_pkey_meth; extern const EVP_PKEY_METHOD hkdf_pkey_meth; extern const EVP_PKEY_METHOD poly1305_pkey_meth; extern const EVP_PKEY_METHOD siphash_pkey_meth; struct evp_mac_st { OSSL_PROVIDER *prov; char *name; CRYPTO_REF_COUNT refcnt; CRYPTO_RWLOCK *lock; OSSL_OP_mac_newctx_fn *newctx; OSSL_OP_mac_dupctx_fn *dupctx; OSSL_OP_mac_freectx_fn *freectx; OSSL_OP_mac_size_fn *size; OSSL_OP_mac_init_fn *init; OSSL_OP_mac_update_fn *update; OSSL_OP_mac_final_fn *final; OSSL_OP_mac_gettable_params_fn *gettable_params; OSSL_OP_mac_gettable_ctx_params_fn *gettable_ctx_params; OSSL_OP_mac_settable_ctx_params_fn *settable_ctx_params; OSSL_OP_mac_get_params_fn *get_params; OSSL_OP_mac_get_ctx_params_fn *get_ctx_params; OSSL_OP_mac_set_ctx_params_fn *set_ctx_params; }; struct evp_kdf_st { OSSL_PROVIDER *prov; char *name; CRYPTO_REF_COUNT refcnt; CRYPTO_RWLOCK *lock; OSSL_OP_kdf_newctx_fn *newctx; OSSL_OP_kdf_dupctx_fn *dupctx; OSSL_OP_kdf_freectx_fn *freectx; OSSL_OP_kdf_reset_fn *reset; OSSL_OP_kdf_derive_fn *derive; OSSL_OP_kdf_gettable_params_fn *gettable_params; OSSL_OP_kdf_gettable_ctx_params_fn *gettable_ctx_params; OSSL_OP_kdf_settable_ctx_params_fn *settable_ctx_params; OSSL_OP_kdf_get_params_fn *get_params; OSSL_OP_kdf_get_ctx_params_fn *get_ctx_params; OSSL_OP_kdf_set_ctx_params_fn *set_ctx_params; }; extern const EVP_KDF pbkdf2_kdf_meth; extern const EVP_KDF scrypt_kdf_meth; extern const EVP_KDF tls1_prf_kdf_meth; extern const EVP_KDF hkdf_kdf_meth; extern const EVP_KDF sshkdf_kdf_meth; extern const EVP_KDF ss_kdf_meth; extern const EVP_KDF x963_kdf_meth; extern const EVP_KDF x942_kdf_meth; struct evp_md_st { /* nid */ int type; /* Legacy structure members */ /* TODO(3.0): Remove these */ int pkey_type; int md_size; unsigned long flags; int (*init) (EVP_MD_CTX *ctx); int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count); int (*final) (EVP_MD_CTX *ctx, unsigned char *md); int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from); int (*cleanup) (EVP_MD_CTX *ctx); int block_size; int ctx_size; /* how big does the ctx->md_data need to be */ /* control function */ int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2); /* New structure members */ /* TODO(3.0): Remove above comment when legacy has gone */ char *name; OSSL_PROVIDER *prov; CRYPTO_REF_COUNT refcnt; CRYPTO_RWLOCK *lock; OSSL_OP_digest_newctx_fn *newctx; OSSL_OP_digest_init_fn *dinit; OSSL_OP_digest_update_fn *dupdate; OSSL_OP_digest_final_fn *dfinal; OSSL_OP_digest_digest_fn *digest; OSSL_OP_digest_freectx_fn *freectx; OSSL_OP_digest_dupctx_fn *dupctx; OSSL_OP_digest_get_params_fn *get_params; OSSL_OP_digest_set_ctx_params_fn *set_ctx_params; OSSL_OP_digest_get_ctx_params_fn *get_ctx_params; OSSL_OP_digest_gettable_params_fn *gettable_params; OSSL_OP_digest_settable_ctx_params_fn *settable_ctx_params; OSSL_OP_digest_gettable_ctx_params_fn *gettable_ctx_params; } /* EVP_MD */ ; struct evp_cipher_st { int nid; int block_size; /* Default value for variable length ciphers */ int key_len; int iv_len; /* Legacy structure members */ /* TODO(3.0): Remove these */ /* Various flags */ unsigned long flags; /* init key */ int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc); /* encrypt/decrypt data */ int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl); /* cleanup ctx */ int (*cleanup) (EVP_CIPHER_CTX *); /* how big ctx->cipher_data needs to be */ int ctx_size; /* Populate a ASN1_TYPE with parameters */ int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */ int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *); /* Miscellaneous operations */ int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Application data */ void *app_data; /* New structure members */ /* TODO(3.0): Remove above comment when legacy has gone */ char *name; OSSL_PROVIDER *prov; CRYPTO_REF_COUNT refcnt; CRYPTO_RWLOCK *lock; OSSL_OP_cipher_newctx_fn *newctx; OSSL_OP_cipher_encrypt_init_fn *einit; OSSL_OP_cipher_decrypt_init_fn *dinit; OSSL_OP_cipher_update_fn *cupdate; OSSL_OP_cipher_final_fn *cfinal; OSSL_OP_cipher_cipher_fn *ccipher; OSSL_OP_cipher_freectx_fn *freectx; OSSL_OP_cipher_dupctx_fn *dupctx; OSSL_OP_cipher_get_params_fn *get_params; OSSL_OP_cipher_get_ctx_params_fn *get_ctx_params; OSSL_OP_cipher_set_ctx_params_fn *set_ctx_params; OSSL_OP_cipher_gettable_params_fn *gettable_params; OSSL_OP_cipher_gettable_ctx_params_fn *gettable_ctx_params; OSSL_OP_cipher_settable_ctx_params_fn *settable_ctx_params; } /* EVP_CIPHER */ ; /* Macros to code block cipher wrappers */ /* Wrapper functions for each cipher mode */ #define EVP_C_DATA(kstruct, ctx) \ ((kstruct *)EVP_CIPHER_CTX_get_cipher_data(ctx)) #define BLOCK_CIPHER_ecb_loop() \ size_t i, bl; \ bl = EVP_CIPHER_CTX_cipher(ctx)->block_size; \ if (inl < bl) return 1;\ inl -= bl; \ for (i=0; i <= inl; i+=bl) #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ {\ BLOCK_CIPHER_ecb_loop() \ cprefix##_ecb_encrypt(in + i, out + i, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_encrypting(ctx)); \ return 1;\ } #define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2)) #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ {\ while(inl>=EVP_MAXCHUNK) {\ int num = EVP_CIPHER_CTX_num(ctx);\ cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \ EVP_CIPHER_CTX_set_num(ctx, num);\ inl-=EVP_MAXCHUNK;\ in +=EVP_MAXCHUNK;\ out+=EVP_MAXCHUNK;\ }\ if (inl) {\ int num = EVP_CIPHER_CTX_num(ctx);\ cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), &num); \ EVP_CIPHER_CTX_set_num(ctx, num);\ }\ return 1;\ } #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ {\ while(inl>=EVP_MAXCHUNK) \ {\ cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\ inl-=EVP_MAXCHUNK;\ in +=EVP_MAXCHUNK;\ out+=EVP_MAXCHUNK;\ }\ if (inl)\ cprefix##_cbc_encrypt(in, out, (long)inl, &EVP_C_DATA(kstruct,ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));\ return 1;\ } #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ {\ size_t chunk = EVP_MAXCHUNK;\ if (cbits == 1) chunk >>= 3;\ if (inl < chunk) chunk = inl;\ while (inl && inl >= chunk)\ {\ int num = EVP_CIPHER_CTX_num(ctx);\ cprefix##_cfb##cbits##_encrypt(in, out, (long) \ ((cbits == 1) \ && !EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS) \ ? chunk*8 : chunk), \ &EVP_C_DATA(kstruct, ctx)->ksched, EVP_CIPHER_CTX_iv_noconst(ctx),\ &num, EVP_CIPHER_CTX_encrypting(ctx));\ EVP_CIPHER_CTX_set_num(ctx, num);\ inl -= chunk;\ in += chunk;\ out += chunk;\ if (inl < chunk) chunk = inl;\ }\ return 1;\ } #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ key_len, iv_len, flags, init_key, cleanup, \ set_asn1, get_asn1, ctrl) \ static const EVP_CIPHER cname##_##mode = { \ nid##_##nmode, block_size, key_len, iv_len, \ flags | EVP_CIPH_##MODE##_MODE, \ init_key, \ cname##_##mode##_cipher, \ cleanup, \ sizeof(kstruct), \ set_asn1, get_asn1,\ ctrl, \ NULL \ }; \ const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ iv_len, flags, init_key, cleanup, set_asn1, \ get_asn1, ctrl) \ BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ iv_len, cbits, flags, init_key, cleanup, \ set_asn1, get_asn1, ctrl) \ BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ key_len, iv_len, flags, init_key, cleanup, set_asn1, \ get_asn1, ctrl) #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ iv_len, cbits, flags, init_key, cleanup, \ set_asn1, get_asn1, ctrl) \ BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ key_len, iv_len, flags, init_key, cleanup, set_asn1, \ get_asn1, ctrl) #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ flags, init_key, cleanup, set_asn1, \ get_asn1, ctrl) \ BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) #define BLOCK_CIPHER_defs(cname, kstruct, \ nid, block_size, key_len, iv_len, cbits, flags, \ init_key, cleanup, set_asn1, get_asn1, ctrl) \ BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ init_key, cleanup, set_asn1, get_asn1, ctrl) \ BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ init_key, cleanup, set_asn1, get_asn1, ctrl) /*- #define BLOCK_CIPHER_defs(cname, kstruct, \ nid, block_size, key_len, iv_len, flags,\ init_key, cleanup, set_asn1, get_asn1, ctrl)\ static const EVP_CIPHER cname##_cbc = {\ nid##_cbc, block_size, key_len, iv_len, \ flags | EVP_CIPH_CBC_MODE,\ init_key,\ cname##_cbc_cipher,\ cleanup,\ sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ set_asn1, get_asn1,\ ctrl, \ NULL \ };\ const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ static const EVP_CIPHER cname##_cfb = {\ nid##_cfb64, 1, key_len, iv_len, \ flags | EVP_CIPH_CFB_MODE,\ init_key,\ cname##_cfb_cipher,\ cleanup,\ sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ set_asn1, get_asn1,\ ctrl,\ NULL \ };\ const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ static const EVP_CIPHER cname##_ofb = {\ nid##_ofb64, 1, key_len, iv_len, \ flags | EVP_CIPH_OFB_MODE,\ init_key,\ cname##_ofb_cipher,\ cleanup,\ sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ set_asn1, get_asn1,\ ctrl,\ NULL \ };\ const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ static const EVP_CIPHER cname##_ecb = {\ nid##_ecb, block_size, key_len, iv_len, \ flags | EVP_CIPH_ECB_MODE,\ init_key,\ cname##_ecb_cipher,\ cleanup,\ sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ set_asn1, get_asn1,\ ctrl,\ NULL \ };\ const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } */ #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ block_size, key_len, iv_len, cbits, \ flags, init_key, \ cleanup, set_asn1, get_asn1, ctrl) \ BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ cbits, flags, init_key, cleanup, set_asn1, \ get_asn1, ctrl) #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ cipher##_init_key, NULL, NULL, NULL, NULL) # ifndef OPENSSL_NO_EC #define X25519_KEYLEN 32 #define X448_KEYLEN 56 #define ED448_KEYLEN 57 #define MAX_KEYLEN ED448_KEYLEN typedef struct { unsigned char pubkey[MAX_KEYLEN]; unsigned char *privkey; } ECX_KEY; #endif /* * Type needs to be a bit field Sub-type needs to be for variations on the * method, as in, can it do arbitrary encryption.... */ struct evp_pkey_st { /* == Legacy attributes == */ int type; int save_type; const EVP_PKEY_ASN1_METHOD *ameth; ENGINE *engine; ENGINE *pmeth_engine; /* If not NULL public key ENGINE to use */ union { void *ptr; # ifndef OPENSSL_NO_RSA struct rsa_st *rsa; /* RSA */ # endif # ifndef OPENSSL_NO_DSA struct dsa_st *dsa; /* DSA */ # endif # ifndef OPENSSL_NO_DH struct dh_st *dh; /* DH */ # endif # ifndef OPENSSL_NO_EC struct ec_key_st *ec; /* ECC */ ECX_KEY *ecx; /* X25519, X448, Ed25519, Ed448 */ # endif } pkey; /* == Common attributes == */ CRYPTO_REF_COUNT references; CRYPTO_RWLOCK *lock; STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */ int save_parameters; /* == Provider attributes == */ /* * To support transparent export/import between providers that * support the methods for it, and still not having to do the * export/import every time a key is used, we maintain a cache * of imported key, indexed by provider address. * pkeys[0] is *always* the "original" key. */ struct { EVP_KEYMGMT *keymgmt; void *provkey; } pkeys[10]; /* * If there is a legacy key assigned to this structure, we keep * a copy of that key's dirty count. */ size_t dirty_cnt_copy; } /* EVP_PKEY */ ; #define EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx) \ ((ctx)->operation == EVP_PKEY_OP_SIGN \ || (ctx)->operation == EVP_PKEY_OP_SIGNCTX \ || (ctx)->operation == EVP_PKEY_OP_VERIFY \ || (ctx)->operation == EVP_PKEY_OP_VERIFYCTX \ || (ctx)->operation == EVP_PKEY_OP_VERIFYRECOVER) #define EVP_PKEY_CTX_IS_DERIVE_OP(ctx) \ ((ctx)->operation == EVP_PKEY_OP_DERIVE) void openssl_add_all_ciphers_int(void); void openssl_add_all_digests_int(void); void evp_cleanup_int(void); void evp_app_cleanup_int(void); /* KEYMGMT helper functions */ void *evp_keymgmt_export_to_provider(EVP_PKEY *pk, EVP_KEYMGMT *keymgmt); void evp_keymgmt_clear_pkey_cache(EVP_PKEY *pk); /* KEYMGMT provider interface functions */ void *evp_keymgmt_importdomparams(const EVP_KEYMGMT *keymgmt, const OSSL_PARAM params[]); void *evp_keymgmt_gendomparams(const EVP_KEYMGMT *keymgmt, const OSSL_PARAM params[]); void evp_keymgmt_freedomparams(const EVP_KEYMGMT *keymgmt, void *provdomparams); int evp_keymgmt_exportdomparams(const EVP_KEYMGMT *keymgmt, void *provdomparams, OSSL_PARAM params[]); const OSSL_PARAM * evp_keymgmt_importdomparam_types(const EVP_KEYMGMT *keymgmt); const OSSL_PARAM * evp_keymgmt_exportdomparam_types(const EVP_KEYMGMT *keymgmt); void *evp_keymgmt_importkey(const EVP_KEYMGMT *keymgmt, const OSSL_PARAM params[]); void *evp_keymgmt_genkey(const EVP_KEYMGMT *keymgmt, void *domparams, const OSSL_PARAM params[]); void *evp_keymgmt_loadkey(const EVP_KEYMGMT *keymgmt, void *id, size_t idlen); void evp_keymgmt_freekey(const EVP_KEYMGMT *keymgmt, void *provkey); int evp_keymgmt_exportkey(const EVP_KEYMGMT *keymgmt, void *provkey, OSSL_PARAM params[]); const OSSL_PARAM *evp_keymgmt_importkey_types(const EVP_KEYMGMT *keymgmt); const OSSL_PARAM *evp_keymgmt_exportkey_types(const EVP_KEYMGMT *keymgmt); /* Pulling defines out of C source files */ #define EVP_RC4_KEY_SIZE 16 #ifndef TLS1_1_VERSION # define TLS1_1_VERSION 0x0302 #endif void evp_encode_ctx_set_flags(EVP_ENCODE_CTX *ctx, unsigned int flags); /* EVP_ENCODE_CTX flags */ /* Don't generate new lines when encoding */ #define EVP_ENCODE_CTX_NO_NEWLINES 1 /* Use the SRP base64 alphabet instead of the standard one */ #define EVP_ENCODE_CTX_USE_SRP_ALPHABET 2